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The technology that stores data using microscopic light and dark spots is: B. Compact disc.
A compact disc is also referred to as an optical disc (OD) and it can be defined as a small, circular and digital-disc which is designed and developed to be used for the storage of computer data, especially by using a laser beam (microscopic light) and dark spots technology.
Generally, a compact disc (CD) is able to store digital data because it is manufactured through the use of polycarbonate (a tough-brittle plastic) with one (1) or more metal layers.
In this context, we can reasonably infer and logically deduce that data is typically stored on compact discs (optical discs) by using a laser beam (microscopic light) to either melt the disc material or change the color of embedded dye.
Read more on optical disc here: brainly.com/question/28066311
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